refactor: 移除网络超时相关逻辑，简化错误处理

tests/auth-page-recovery.test.js

@@ -79,7 +79,6 @@ test('auth page recovery detects retry page state', () => {
   assert.equal(snapshot.titleMatched, true);
   assert.equal(snapshot.detailMatched, false);
   assert.equal(snapshot.maxCheckAttemptsBlocked, false);
-  assert.equal(snapshot.operationTimedOutBlocked, false);
 });
 
 test('auth page recovery clicks retry and waits until page recovers', async () => {
@@ -157,21 +156,3 @@ test('auth page recovery throws cloudflare security blocked error on max_check_a
   );
 });
 
-test('auth page recovery throws network timeout block error on operation timed out page', async () => {
-  const state = {
-    clickCount: 0,
-    pageText: 'Something went wrong. Operation timed out.',
-    retryVisible: true,
-  };
-  const api = createRecoveryApi(state);
-
-  await assert.rejects(
-    () => api.recoverAuthRetryPage({
-      logLabel: '步骤 7：检测到登录超时报错，正在点击“重试”恢复当前页面',
-      pathPatterns: [/\/log-in(?:[/?#]|$)/i],
-      step: 7,
-      timeoutMs: 1000,
-    }),
-    /NETWORK_TIMEOUT_BLOCKED::/
-  );
-});

tests/background-message-router-step2-skip.test.js

@@ -60,11 +60,11 @@ function createRouter(overrides = {}) {
     handleCloudflareSecurityBlocked: overrides.handleCloudflareSecurityBlocked || (async (error) => {
       const message = typeof error === 'string' ? error : error?.message || '';
       events.securityBlocks.push(message);
-      return message.replace(/^(?:CF_SECURITY_BLOCKED|NETWORK_TIMEOUT_BLOCKED)::/, '') || message;
+      return message.replace(/^CF_SECURITY_BLOCKED::/, '') || message;
     }),
     importSettingsBundle: async () => {},
     invalidateDownstreamAfterStepRestart: async () => {},
-    isCloudflareSecurityBlockedError: overrides.isCloudflareSecurityBlockedError || ((error) => /^(?:CF_SECURITY_BLOCKED|NETWORK_TIMEOUT_BLOCKED)::/.test(typeof error === 'string' ? error : error?.message || '')),
+    isCloudflareSecurityBlockedError: overrides.isCloudflareSecurityBlockedError || ((error) => /^CF_SECURITY_BLOCKED::/.test(typeof error === 'string' ? error : error?.message || '')),
     isAutoRunLockedState: () => false,
     isHotmailProvider: () => false,
     isLocalhostOAuthCallbackUrl: () => true,
@@ -226,26 +226,3 @@ test('message router stops the flow and surfaces cloudflare security block error
     error: '您已触发Cloudflare 安全防护系统',
   });
 });
-test('message router stops the flow and surfaces network timeout block errors', async () => {
-  const { router, events } = createRouter();
-
-  const response = await router.handleMessage({
-    type: 'STEP_ERROR',
-    step: 7,
-    source: 'signup-page',
-    payload: {},
-    error: 'NETWORK_TIMEOUT_BLOCKED::请检查当前网络节点是否稳定',
-  }, {});
-
-  assert.deepStrictEqual(events.securityBlocks, ['NETWORK_TIMEOUT_BLOCKED::请检查当前网络节点是否稳定']);
-  assert.deepStrictEqual(events.notifyErrors, [
-    {
-      step: 7,
-      error: '流程已被用户停止。',
-    },
-  ]);
-  assert.deepStrictEqual(response, {
-    ok: true,
-    error: '请检查当前网络节点是否稳定',
-  });
-});

tests/background-security-block-alert.test.js

@@ -1,74 +1,13 @@
-const test = require('node:test');
-const assert = require('node:assert/strict');
-const fs = require('node:fs');
-
-const source = fs.readFileSync('background.js', 'utf8');
-
-function extractFunction(name) {
-  const markers = [`async function ${name}(`, `function ${name}(`];
-  const start = markers
-    .map((marker) => source.indexOf(marker))
-    .find((index) => index >= 0);
-  if (start < 0) {
-    throw new Error(`missing function ${name}`);
-  }
-
-  let parenDepth = 0;
-  let signatureEnded = false;
-  let braceStart = -1;
-  for (let i = start; i < source.length; i += 1) {
-    const ch = source[i];
-    if (ch === '(') {
-      parenDepth += 1;
-    } else if (ch === ')') {
-      parenDepth -= 1;
-      if (parenDepth === 0) {
-        signatureEnded = true;
-      }
-    } else if (ch === '{' && signatureEnded) {
-      braceStart = i;
-      break;
-    }
-  }
-
-  if (braceStart < 0) {
-    throw new Error(`missing body for function ${name}`);
-  }
-
-  let depth = 0;
-  let end = braceStart;
-  for (; end < source.length; end += 1) {
-    const ch = source[end];
-    if (ch === '{') depth += 1;
-    if (ch === '}') {
-      depth -= 1;
-      if (depth === 0) {
-        end += 1;
-        break;
-      }
-    }
-  }
-
-  return source.slice(start, end);
-}
-
-test('security blocked alert title distinguishes cloudflare and network timeout', () => {
+const test = require('node:test');const assert = require('node:assert/strict');const fs = require('node:fs');const source = fs.readFileSync('background.js', 'utf8');function extractFunction(name) {  const markers = [`async function ${name}(`, `function ${name}(`];  const start = markers    .map((marker) => source.indexOf(marker))    .find((index) => index >= 0);  if (start < 0) {    throw new Error(`missing function ${name}`);  }  let parenDepth = 0;  let signatureEnded = false;  let braceStart = -1;  for (let i = start; i < source.length; i += 1) {    const ch = source[i];    if (ch === '(') {      parenDepth += 1;    } else if (ch === ')') {      parenDepth -= 1;      if (parenDepth === 0) {        signatureEnded = true;      }    } else if (ch === '{' && signatureEnded) {      braceStart = i;      break;    }  }  if (braceStart < 0) {    throw new Error(`missing body for function ${name}`);  }  let depth = 0;  let end = braceStart;  for (; end < source.length; end += 1) {    const ch = source[end];    if (ch === '{') depth += 1;    if (ch === '}') {      depth -= 1;      if (depth === 0) {        end += 1;        break;      }    }  }  return source.slice(start, end);}test('security blocked alert title distinguishes cloudflare and network timeout', () => {
   const api = new Function(`
 const CLOUDFLARE_SECURITY_BLOCK_ERROR_PREFIX = 'CF_SECURITY_BLOCKED::';
-const NETWORK_TIMEOUT_BLOCK_ERROR_PREFIX = 'NETWORK_TIMEOUT_BLOCKED::';
 ${extractFunction('getErrorMessage')}
 ${extractFunction('isCloudflareSecurityBlockedError')}
-${extractFunction('isNetworkTimeoutBlockedError')}
 ${extractFunction('getTerminalSecurityBlockedTitle')}
 return { getTerminalSecurityBlockedTitle };
 `)();
-
   assert.equal(
     api.getTerminalSecurityBlockedTitle(new Error('CF_SECURITY_BLOCKED::blocked')),
     'Cloudflare 风控拦截'
   );
-  assert.equal(
-    api.getTerminalSecurityBlockedTitle(new Error('NETWORK_TIMEOUT_BLOCKED::timeout')),
-    '网络节点异常'
-  );
 });

tests/step8-restart-step7-error.test.js

@@ -87,8 +87,6 @@ test('ensureStep8VerificationPageReady throws cloudflare security block error on
   const api = new Function(`
 const CLOUDFLARE_SECURITY_BLOCK_ERROR_PREFIX = 'CF_SECURITY_BLOCKED::';
 const CLOUDFLARE_SECURITY_BLOCK_USER_MESSAGE = 'cloudflare blocked';
-const NETWORK_TIMEOUT_BLOCK_ERROR_PREFIX = 'NETWORK_TIMEOUT_BLOCKED::';
-const NETWORK_TIMEOUT_BLOCK_USER_MESSAGE = 'network timeout blocked';
 
 function getLoginAuthStateLabel(state) {
   return state === 'login_timeout_error_page' ? 'login timeout page' : 'unknown page';
@@ -117,40 +115,6 @@ return {
   );
 });
 
-test('ensureStep8VerificationPageReady throws network timeout block error on operation timed out page', async () => {
-  const api = new Function(`
-const CLOUDFLARE_SECURITY_BLOCK_ERROR_PREFIX = 'CF_SECURITY_BLOCKED::';
-const CLOUDFLARE_SECURITY_BLOCK_USER_MESSAGE = 'cloudflare blocked';
-const NETWORK_TIMEOUT_BLOCK_ERROR_PREFIX = 'NETWORK_TIMEOUT_BLOCKED::';
-const NETWORK_TIMEOUT_BLOCK_USER_MESSAGE = 'network timeout blocked';
-
-function getLoginAuthStateLabel(state) {
-  return state === 'login_timeout_error_page' ? 'login timeout page' : 'unknown page';
-}
-
-async function getLoginAuthStateFromContent() {
-  return {
-    state: 'login_timeout_error_page',
-    url: 'https://auth.openai.com/log-in',
-    operationTimedOutBlocked: true,
-  };
-}
-
-${extractFunction(backgroundSource, 'ensureStep8VerificationPageReady')}
-
-return {
-  run() {
-    return ensureStep8VerificationPageReady({});
-  },
-};
-`)();
-
-  await assert.rejects(
-    () => api.run(),
-    /NETWORK_TIMEOUT_BLOCKED::/
-  );
-});
-
 test('step 8 reruns step 7 when auth page enters login timeout retry state', async () => {
   const calls = {
     executeStep7: 0,